def createIndex(self, row, column, item):
old = self.cache.get(item._value)
if old is None:
self.cache[item._value] = item
else:
item = old
return QAbstractItemModel.createIndex(self, row, column, item)
def createIndex(self, row, column, item):
old = self.cache.get(item._value)
if old is None:
self.cache[item._value] = item
else:
item = old
return QAbstractItemModel.createIndex(self, row, column, item)
